Portable sun visor attachment for a seat or similar article



FIG. 1 is a perspective view showing my new design for a portable sun visor attachment for a seat or similar article;

FIG. 2 shows a side view of said embodiment;

FIG. 3 is a top view of said embodiment; and

FIG. 4 is a front view of said embodiment.

The broken lines in FIG. 1 showing a seat fragment and a portion of a human figure are for illustrative purposes only. 

The ornamental design of a portable sun visor attachment for a seat or similar article, shown and described. 